CVE-2026-83548

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-09-02), indicating real-world exploitation has been confirmed by US federal agencies. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 10.0 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa-adp, cisa_kev, epss, ghsa
Trending — KEV-added this weekExploited in the wild
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 10.0Exploit: cisa kev · ssvc activeExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
1%
EPSS %ILE
51%
KEV
⚠ Exploited

Published

September 1, 2026

Last Modified

September 3, 2026

Advisory Details (2)

Auto-updated Sep 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83548
generic

Security Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016

Vendor Advisories for CVE-2026-83548(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 52× in last 7d / 52× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-06 13:48 UTCEPSS rescore
  2. 2026-09-06 12:37 UTCGHSA enrichment
  3. 2026-09-06 08:52 UTCGHSA enrichment
  4. 2026-09-06 05:08 UTCGHSA enrichment
  5. 2026-09-06 01:24 UTCGHSA enrichment
  6. 2026-09-05 21:39 UTCGHSA enrichment
  7. 2026-09-05 17:55 UTCEG score recompute
  8. 2026-09-05 17:55 UTCGHSA enrichment
  9. 2026-09-05 15:31 UTCEPSS rescore
  10. 2026-09-05 14:09 UTCGHSA enrichment
  11. 2026-09-05 10:25 UTCGHSA enrichment
  12. 2026-09-05 06:40 UTCGHSA enrichment
  13. 2026-09-05 02:53 UTCGHSA enrichment
  14. 2026-09-04 23:06 UTCGHSA enrichment
  15. 2026-09-04 19:18 UTCGHSA enrichment
  16. 2026-09-04 17:38 UTCCISA KEV update
  17. 2026-09-04 15:33 UTCEG score recompute
  18. 2026-09-04 15:33 UTCGHSA enrichment
  19. 2026-09-04 11:48 UTCGHSA enrichment
  20. 2026-09-04 08:03 UTCEG score recompute
  21. 2026-09-04 08:02 UTCGHSA enrichment
  22. 2026-09-04 05:07 UTCEPSS rescore
  23. 2026-09-04 04:16 UTCGHSA enrichment
  24. 2026-09-04 00:31 UTCGHSA enrichment
  25. 2026-09-03 20:45 UTCGHSA enrichment
Show 27 more
  1. 2026-09-03 17:00 UTCGHSA enrichment
  2. 2026-09-03 13:13 UTCGHSA enrichment
  3. 2026-09-03 11:54 UTCGHSA enrichment
  4. 2026-09-03 08:08 UTCGHSA enrichment
  5. 2026-09-03 04:23 UTCGHSA enrichment
  6. 2026-09-03 00:39 UTCGHSA enrichment
  7. 2026-09-02 20:52 UTCGHSA enrichment
  8. 2026-09-02 20:01 UTCGHSA enrichment
  9. 2026-09-02 19:30 UTCGHSA enrichment
  10. 2026-09-02 18:35 UTCEG score recompute
  11. 2026-09-02 18:34 UTCGHSA enrichment
  12. 2026-09-02 18:00 UTCEG score recompute
  13. 2026-09-02 17:59 UTCGHSA enrichment
  14. 2026-09-02 17:33 UTCCISA KEV update
  15. 2026-09-02 14:29 UTCEG score recompute
  16. 2026-09-02 14:28 UTCGHSA enrichment
  17. 2026-09-02 14:12 UTCEPSS rescore
  18. 2026-09-02 13:31 UTCEG score recompute▲ 10.00
  19. 2026-09-02 13:31 UTCGHSA enrichment
  20. 2026-09-02 13:28 UTCMITRE cvelistV5CVSS v3 → 10 · severity → CRITICAL
  21. 2026-09-02 04:39 UTCGHSA enrichment
  22. 2026-09-02 04:37 UTCNVD update
  23. 2026-09-02 04:02 UTCGHSA enrichment
  24. 2026-09-02 04:01 UTCMITRE cvelistV5
  25. 2026-09-01 22:18 UTCNVD update
  26. 2026-09-01 21:33 UTCEG score recompute
  27. 2026-09-01 21:32 UTCMITRE cvelistV5first tracked

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Frequently asked(6)

What is CVE-2026-83548?
CVE-2026-83548 is a critical vulnerability published on September 1, 2026. A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized…
When was CVE-2026-83548 disclosed?
CVE-2026-83548 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-83548 actively exploited?
Yes. CISA added CVE-2026-83548 to the Known Exploited Vulnerabilities catalog on September 2, 2026, affecting SonicWall SMA1000 Appliances. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-83548?
CVE-2026-83548 has a CVSS v3.1 base score of 10.0 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
Which products are affected by CVE-2026-83548?
CVE-2026-83548 affects SonicWall SMA1000 Appliances. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-83548?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-83548, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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